大约有 48,000 项符合查询结果（耗时：0.0703秒） [XML]
JavaScript for detecting browser language preference [duplicate]
... affect the navigator.language property that is obtained via javascript.
What they do affect is the HTTP 'Accept-Language' header, but it appears this value is not available through javascript at all. (Probably why @anddoutoi states he can't find a reference for it that doesn't involve server side...
How can I output a UTF-8 CSV in PHP that Excel will read properly?
... open it in Excel it's doing this silly íÄ kind of thing instead. Here's what I've got at the head of my document:
30 Ans...
Checking if an object is a given type in Swift
...
@Unheilig I'm sorry, I don't understand what you are saying / asking. The ? allows the assignment to return nil causing the if statement to return false and therefore falling through to the else statement. However, I think that explanation helps with the understand...
XPath contains(text(),'some string') doesn't work when used with node with more than one Text subnod
...bled on that combination. Once I had a working combination, I made a guess what was going on and looked in the XPath standard to confirm what I thought was going on and write the explanation.
– Ken Bloom
Sep 7 '10 at 4:02
...
open read and close a file in 1 line of code
...ted, it's better practice to explicitly close it for various reasons.
So, what you can do to keep it short, simple and explicit:
with open('pagehead.section.htm','r') as f:
output = f.read()
Now it's just two lines and pretty readable, I think.
...
Downcasting shared_ptr to shared_ptr?
...hared_polymorphic_downcast.
However, these require polymorphic types.
what kind of type Base* const is? const Base* I understand, but Base* const? What does const refer to in this case?
const Base * is a mutable pointer to a constant Base.
Base const * is a mutable pointer to a constant Base...
Can you attach Amazon EBS to multiple instances?
... I use this same setup and attach the EBS to multiple machine instances or what's another solution?
11 Answers
...
How to find Unused Amazon EC2 Security groups
.../another service.
Using the newer AWS CLI tool, I found an easy way to get what I need:
First, get a list of all security groups
aws ec2 describe-security-groups --query 'SecurityGroups[*].GroupId' --output text | tr '\t' '\n'
Then get all security groups tied to an instance, then piped to sort th...
Extending the User model with custom fields in Django
What's the best way to extend the User model (bundled with Django's authentication app) with custom fields? I would also possibly like to use the email as the username (for authentication purposes).
...
Prevent nginx 504 Gateway timeout using PHP set_time_limit()
...m to prevent that! Does it not work when running php5-fpm on nginx? If so, whats the proper way of setting the time limit?
...